Fixed more edge cases

2024-05-21 20:32:41 +01:00
parent 15de406460
commit 5c1a579984
24 changed files with 173 additions and 87 deletions
@@ -0,0 +1,42 @@
+using Microsoft.Extensions.DependencyInjection;
+using Toolkit.Foundation;
+
+namespace Bitvault;
+
+public class ModifiedItemHandler(IServiceProvider serviceProvider,
+    ICache<Item> cache,
+    IPublisher publisher) :
+    INotificationHandler<ModifiedEventArgs<Item>>
+{
+    public Task Handle(ModifiedEventArgs<Item> args)
+    {
+        Item oldItem = args.OldView;
+        Item newItem = args.NewValue;
+
+        if (cache.TryGetValue(oldItem, out Item? cachedItem))
+        {
+            if (cachedItem is not null)
+            {
+                IServiceScope serviceScope = serviceProvider.CreateScope();
+                IServiceFactory serviceFactory = serviceScope.ServiceProvider.GetRequiredService<IServiceFactory>();
+                IValueStore<Item> valueStore = serviceScope.ServiceProvider.GetRequiredService<IValueStore<Item>>();
+
+                if (serviceFactory.Create<ItemNavigationViewModel>(newItem.Id, newItem.Name, "Description", true)
+                    is ItemNavigationViewModel viewModel)
+                {
+                    int oldIndex = cache.IndexOf(cachedItem);
+                    cache.Remove(cachedItem);
+
+                    cache.Add(newItem);
+
+                    int newIndex = cache.IndexOf(newItem);
+                    valueStore.Set(newItem);
+
+                    publisher.Publish(RemoveAndInsertAt.As(oldIndex, newIndex, viewModel), nameof(ContainerViewModel));
+                }
+            }
+        }
+
+        return Task.CompletedTask;
+    }
+}